CVE & CISA-KEV Catalog

CVE-2020-10531

HIGHEPSS 84th pctl

8.8

CVSS v3

Description

An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp.

CWE-190Integer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

icuDebian

Fixed in:63.2-3CVE-2020-10531

Fixed in:63.2-3CVE-2020-10531

Fixed in:63.2-3CVE-2020-10531

Fixed in:63.2-3CVE-2020-10531

icuUbuntu

Fixed in:52.1-3ubuntu0.8+esm1USN-4305-1

Fixed in:55.1-7ubuntu0.5USN-4305-1

Fixed in:60.2-3ubuntu3.1USN-4305-1

libicu52Ubuntu

Fixed in:52.1-3ubuntu0.8+esm1USN-4305-1

libicu55Ubuntu

Fixed in:55.1-7ubuntu0.5USN-4305-1

libicu60Ubuntu

Fixed in:60.2-3ubuntu3.1USN-4305-1

Google ChromeWindows application

Affected:80.0.3987.122Fixed in:80.0.3987.122Google LLC

Google Chrome (EXE)Windows application

Affected:80.0.3987.122Fixed in:80.0.3987.122Google LLC

Google Chrome BetaWindows application

Affected:80.0.3987.122Fixed in:80.0.3987.122Google LLC

Google Chrome Beta (EXE)Windows application

Affected:80.0.3987.122Fixed in:80.0.3987.122Google LLC

Google Chrome CanaryWindows application

Affected:80.0.3987.122Fixed in:80.0.3987.122Google LLC

Google Chrome DevWindows application

Affected:80.0.3987.122Fixed in:80.0.3987.122Google LLC

Google Chrome Dev (EXE)Windows application

Affected:80.0.3987.122Fixed in:80.0.3987.122Google LLC

Node.jsWindows application

Affected:10.13.0 10.21.0Fixed in:10.21.0Node.js Foundation

Node.js (LTS)Windows application

Affected:10.13.0 10.21.0Fixed in:10.21.0Node.js Foundation

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

2.67%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch4

Third-Party Advisory11

Other references3

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.